Top 100 Dot Net Developers in the United Kingdom
The Best of February 2026Looking for a top dot net developer in the United Kingdom?
.NET is a powerful, flexible software framework utilized by many businesses. A highly regarded developer can help ensure performance, security, and testing for your company.
To assist you in your search for a partner, we’ve compiled this list of the top dot net developers in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom .NET Development Services
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31$25,000+250 - 999 employeesLondon, EnglandRobosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.Read More
Clients
Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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32$10,000+50 - 249 employeesLondon, EnglandBased in Sofia, Bulgaria and London, England, BGO Software - The Digital Health Lab is a custom software development firm. The midsize company was founded in 2008. Their services include Custom Software Development, IT strategy consulting, IT managed services, Mobile App Development, and more.Read More
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NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.Industries
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33$50,000+1,000 - 9,999 employeesCraiova, RomaniaRead More
Pentalog is a large Brașov, Romania-based custom software development company. Established in 1993, the team offers custom software development, IT staff augmentation, e-commerce development, and web development.
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AdidasIndustries
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34$10,000+10 - 49 employeesCoventry , EnglandImobisoft is an artificial intelligence company. The small team is in Coventry , England and London, England. Their services include Artificial Intelligence, Custom Software Development, Generative AI, Web Development, and more.Read More
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NHS (Multiple divisions)Industries
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35$25,000+250 - 999 employeesLondon, EnglandAltkom Software is a Warszawa, Poland-based custom software development firm. They specialize in Custom Software Development, Mobile App Development, Enterprise App Modernization, and cloud consulting & SI and were launched in 2000.Read More
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BNP ParibasIndustries
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36$10,000+250 - 999 employeesLondon, EnglandSoftware development firm SoftProdigy is in Sahibzada Ajit Singh Nagar, India; London, England and Great Neck, New York. The midsize agency was founded in 2006. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more.Read More
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DeloitteIndustries
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37$100,000+1,000 - 9,999 employeesNew York, NYSoftware development firm DataArt is located in New York, New York; Zug, Switzerland; London , England and München, Germany. Established in 1997, the large team provides Custom Software Development, IoT development, Artificial Intelligence, BI & big data consulting & SI, and more.Read More
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Ocado Technology Metro Markets Nasdaq InvescoIndustries
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38$5,000+250 - 999 employeesLondon, EnglandFounded in 2003, Konstant Infosolutions is a mobile app development company. They are in Jaipur, India; New York, New York; London, England and Dubai, United Arab Emirates and have a midsize team. Their services include Mobile App Development, Artificial Intelligence, UX/UI Design, and Web Development.Read More
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United Nations Volkswagen Stanley Connect DelmonteIndustries
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39$25,000+2 - 9 employeesSHEFFIELD, EnglandRead More
Inflecto Systems, a software development company, is located in SHEFFIELD, United Kingdom. The firm provides custom software development, mobile app development, and business consulting and has a small team.The firm was founded in 2006.
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40$10,000+10 - 49 employeesLondon, EnglandFounded in 2018, Hiyield is a web design agency. Their small team is headquartered in London, England; Truro, England and Bristol, England. Their team offers Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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41$10,000+250 - 999 employeesNottingham, EnglandRead More
Brain Station 23 is a midsize IT staff augmentation company launched in 2006. Their team specializes in IT staff augmentation, Custom Software Development, Mobile App Development, E-Commerce Development, and more. The company is in Springfield, Virginia; Dhaka, Bangladesh; Dhaka, Bangladesh and Dubai, United Arab Emirates.
Clients
Unipet PayPal British Telecom British American TobaccoIndustries
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42$50,000+50 - 249 employeesBelfast, Northern IrelandRead More
Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.
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43$10,000+10 - 49 employeesLondon, EnglandRead More
Founded in 2004, Computer Conquest is an IT managed services company. The company offers IT managed services, cloud consulting & SI, custom software development, IT strategy consulting, and more and has a small team. The company is in Cirencester, United Kingdom.
Clients
The Woodhouse Partnership Brickflow The International Stock Exchange London UndergroundIndustries
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44$10,000+50 - 249 employeesLondon, EnglandRead More
SovTech is a custom software development company based in Johannesburg with offices in London and Nairobi. Founded in 2012, they work with enterprise and midmarket businesses with a focus on clients in the financial services industry.
Clients
DiscoveryIndustries
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45$10,000+10 - 49 employeesCheshire , EnglandRead More
CSI Media is an award-winning web and software development company with 23 years’ experience in delivering bespoke, advanced solutions for mid-market and enterprise-level companies across the UK. They combine inspiring design with the latest tech to deliver world-class digital solutions including CMS websites (Umbraco, Sitecore & Shopify), web applications, e-commerce platforms, business portals, and software systems and, since 1998, they have developed over 200 custom platforms for companies across the U.K.
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The Priory Group AutoTrader's Motor Trade Delivery Commonwealth Parliamentary Association CargiantIndustries
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46$50,000+50 - 249 employeesBournemouth, EnglandRead More
3 SIDED CUBE is a midsize AI Consulting company. They focus on AI Consulting, Generative AI, Web Development, Mobile App Development, and more and were launched in 2009.
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American Red Cross British Red Cross Vodafone GlastonburyIndustries
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47$10,000+50 - 249 employeesManchester, EnglandCTI Digital is a website development firm established in 2003. The company focuses on Web Development, Conversion Optimization, Pay Per Click, Web Design, and more and has a midsize team. The company is located in Manchester, England and Lancaster, England.Read More
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Greater London AuthorityIndustries
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48$25,000+10 - 49 employeesAlcester, EnglandRead More
Founded in 2003, cab engine is a small digital strategy company. Their services include digital strategy, e-commerce development, social media marketing, conversion optimization, and more. The agency is headquartered in Alcester, United Kingdom.
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49$10,000+10 - 49 employeesLondon, EnglandBased in London, England; Plymouth, England; Edinburgh, Scotland and Manchester, England, Coreblue is a custom software development firm. The small team offers Custom Software Development, Mobile App Development, IT strategy consulting, Low/No Code Development, and more. The agency was established in 2015.Read More
Clients
Bank of Kigali Executive Nexus ProConveyIndustries
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50$25,000+10 - 49 employeesYork, EnglandRead More
Thumbmunkeys Ltd is a mobile app development company based in York, United Kingdom. This company was founded in 2012 and has 25+ employees. Thumbmunkeys Ltd is responsible for mobile app development, web development, and wearable app development.
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CapitaIndustries
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51$10,000+50 - 249 employeesAberdeen, ScotlandRead More
Fabrit Global is a web app development company based in Aberdeen, U.K., with an office in Cluj-Napoca, Romania. The company, founded in 2014, has a team of more than 30 that provides web development and custom software development services. Fabrit Global serves mid-market and small companies in various industries that include financial services, hospitality & leisure, and energy & natural resources.
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Societe GeneraleIndustries
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52$50,000+250 - 999 employeesLondon, EnglandBig data company Opinov8 Digital and Engineering Solutions was founded in 2017. They are located in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England and have a midsize team. Their services include BI & big data consulting & SI, AI Consulting, Artificial Intelligence, cloud consulting & SI, and more.Read More
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Fortune 500 CompaniesIndustries
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53$1,000+1,000 - 9,999 employeesNew Delhi, IndiaSunTec India, a software development company, was launched in 1999. Their large team is in New Delhi, India; Laguna Beach, California and London, England. Their services include Custom Software Development, Digital Engineering, Social Media Marketing, Search Engine Optimization, and more.Read More
Clients
NielsenIndustries
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54$5,000+250 - 999 employeesLondon, EnglandEstablished in 2010, Riseup Labs is a midsize AI development company. Their team specializes in Artificial Intelligence, IT staff augmentation, IT managed services, Custom Software Development, and more. The company is in Dhaka, Bangladesh; London, England; Dubai, United Arab Emirates and Dhaka, Bangladesh.Read More
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55$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
Clients
OnlyFansIndustries
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56$10,000+10 - 49 employeesLondon, EnglandRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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Vodacom BMW Liberty Life Signal HillIndustries
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57$25,000+250 - 999 employeesLondon, EnglandSoftware development company Computools is in New York, New York; London, England; Oslo, Norway and Linz, Austria. The midsize team focuses on Custom Software Development, IT managed services, Mobile App Development, IT strategy consulting, and more. The firm was established in 2013.Read More
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Visa Epson IBM DiorIndustries
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58$10,000+50 - 249 employeesLondon, EnglandAngry Nerds is a custom software development firm launched in 2015. The agency provides Custom Software Development, UX/UI Design, Web Development, and Mobile App Development and has a midsize team.Read More
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59$10,000+50 - 249 employeesLondon, EnglandWebsite development company Snotor was established in 2007. They are in Rīga, Latvia; London, England and Khmel'nyts'kyi, Ukraine and have a midsize team. Snotor provides Web Development, Mobile App Development, UX/UI Design, IT staff augmentation, and more.Read More
Clients
Defero Hypefill Wellics IsobioticsIndustries
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60$100,000+50 - 249 employeesNewcastle upon Tyne, EnglandHedgehog lab is a midsize mobile application development firm. They specialize in Mobile App Development, Artificial Intelligence, UX/UI Design, Custom Software Development, and more and were launched in 2007. The company is headquartered in Newcastle upon Tyne, England.Read More
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Aviva AJ Bell Tesco Bank Under ArmourIndustries
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